精神医学中的生物统计学(18) 关于结构方程模型中介分析的介绍(英文)

摘要

1.What is mediation analysis?In mediation,we consider an intermediate variable,called the mediator,that helps explain how or why an independent variable influences an outcome.In the context of a treatment study,it is often of great interest to identify and study the mechanisms by which an intervention achieves its effect.By investigating mediational processes that clarify how the treatment achieves the study outcome,not only can we further our understanding of the pathology of the disease